"Openreach is responsible for managing access to and maintenance of BT’s national UK telecoms network. One of its jobs involves replacing the operators old street cabinets with new ones that can support the latest generation of superfast Fibre-to-the-Cabinet (FTTC) technology.

But over the past few years we’ve heard about a growing number of cases where cabinets that should be economically viable have no longer been able to proceed due to unexpected costs, which can be caused by all sorts of problems. One of those stems from the issue of high power supply costs."